MuonCalibStandAloneBase: Fix cppcheck warning.

Prefer preincrement/decrement to post for iterator classes.

This merge request affects 1 package:

• MuonSpectrometer/MuonCalib/MuonCalibStandAlone/MuonCalibStandAloneBase

This merge request affects 1 file:

• MuonSpectrometer/MuonCalib/MuonCalibStandAlone/MuonCalibStandAloneBase/src/RegionSelectionSvc.cxx

Adding @apsallid ,@rosati ,@wleight ,@pscholer ,@stavrop ,@jojungge as watchers

added MuonSpectrometer master review-pending-level-1 labels

CI Result FAILURE (hash 342af27d)

	Athena
externals
cmake
make
tests

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Athena: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 68079]

Jenkins please restart a build

Jenkins please retry a build

This merge request affects 1 package:

• MuonSpectrometer/MuonCalib/MuonCalibStandAlone/MuonCalibStandAloneBase

This merge request affects 1 file:

• MuonSpectrometer/MuonCalib/MuonCalibStandAlone/MuonCalibStandAloneBase/src/RegionSelectionSvc.cxx

Adding @apsallid ,@rosati ,@wleight ,@pscholer ,@stavrop ,@jojungge as watchers

CI Result SUCCESS (hash 342af27d)

	Athena
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 68098]

lgtm

added review-approved label and removed review-pending-level-1 label

added review-approved-tier0 label

merged

mentioned in commit b57235d2

added sweep:ignore label